Zylus sits next to 4 phonetic neighbors — Silas, Cyrus, and Zander are the closest matches by sound. Most share Zylus's Latin (via modern invention)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the forest, wood dweller (via Silas)"
"castle, new home"
"son of Ty (informal)"
"noble spear (Edgar-derived)"
"variant of Garrett/Gerald"
"little red-haired one"
"rocky land, gray land"
"Isle of Skye, Scotland"
"creative modern spelling variant"
"narrow (from Kyle's Gaelic root caol)"
"son of Roderick"
"held by the heel"
"phonetic blend (possibly new house, or river)"
"joy, music (original Old English meaning)"
"victory; honor"
"medieval local official, administrator"
"beloved"
"cowherd's descendant"
"Lukes town"
Similar sound: These names share phonetic patterns with Zylus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin (via modern invention) origins, giving them the same cultural heritage as Zylus.
Rhythm: Zylus is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.